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Finding the Fourth Proportional to 124,200.93, 171,419.66 and 73,210.65

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Solution

The fourth proportional to 124,200.93, 171,419.66 and 73,210.65 is: 101,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,200.93 : 171,419.66 = 73,210.65 : x
  2. Step 2: Convert to fraction form
    124,200.93/171,419.66 = 73,210.65/x
  3. Step 3: Cross multiply
    124,200.93x = 171,419.66 × 73,210.65
  4. Step 4: Simplify right side
    124,200.93x = 12,549,744,731.38
  5. Step 5: Solve for x
    x = 12,549,744,731.38/124,200.93
  6. Step 6: Final answer
    x = 101,043.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.